Core i7-9700K vs Xeon E5-4640 v3

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018
Similar parts
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VS
Intel

Xeon E5-4640 v3

12 Cores24 Thrd105 WWMax: 2.6 GHz2015
Similar parts
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Core i7-9700K vs Xeon E5-4640 v3 Performance Spectrum

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i7-9700K vs Xeon E5-4640 v3 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i7-9700K vs Xeon E5-4640 v3: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-9700K

2018

Why buy it

  • Better for gaming: +37.6% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $2,474 less on MSRP ($385 MSRP vs $2,859 MSRP).
  • Delivers 930.8% more PassMark for each dollar spent, at 37.4 vs 3.6 PassMark/$ ($385 MSRP vs $2,859 MSRP).
  • Draws 95W instead of 105W, a 10W reduction.
  • Integrated graphics onboard with UHD Graphics 630, while Xeon E5-4640 v3 needs a discrete GPU.

Trade-offs

  • Smaller total L3 cache (12 MB vs 30 MB).
  • Less compelling for workstation-style loads than Xeon E5-4640 v3, which brings 12 cores / 24 threads and 40 PCIe lanes.

Xeon E5-4640 v3

2015

Why buy it

  • +150% larger total L3 cache (30 MB vs 12 MB).
  • Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 40 PCIe lanes vs 16.
  • 150% more PCIe lanes (40 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
  • Lower PassMark (10,372 vs 14,397).
  • Lower PassMark per dollar, at 3.6 vs 37.4 PassMark/$ ($2,859 MSRP vs $385 MSRP).
  • No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-9700K better than Xeon E5-4640 v3?
Not really, because they are built for different jobs. Xeon E5-4640 v3 makes more sense for workstation-style multi-core throughput, while Core i7-9700K is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Core i7-9700K is the better pick. According to our tests, it delivers 37.6% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-9700K is the stronger fit. You are getting 38.8% better PassMark, backed by 8 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-9700K is the better buy right now. Core i7-9700K comes in $2,474 cheaper on MSRP at $385 MSRP versus $2,859 MSRP, and it still gives you a 37.6% average FPS lead across 50 shared CPU game tests in our data. It is also 930.8% better value on MSRP (37.4 vs 3.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i7-9700K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2015) and more multi-core headroom with 8 cores / 8 threads instead of 12/24. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-9700K vs Xeon E5-4640 v3 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Intel

Xeon E5-4640 v3

The Xeon E5-4640 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.9 GHz, with boost up to 2.6 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 10,372 points. Launch price was $800.

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Xeon E5-4640 v3 offers 12 cores / 24 threads — the Xeon E5-4640 v3 has 4 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 2.6 GHz on the Xeon E5-4640 v3 — a 61.3% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 1.9 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Xeon E5-4640 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i7-9700K scores 14,397 against the Xeon E5-4640 v3's 10,372 — a 32.5% lead for the Core i7-9700K. L3 cache: 12 MB (total) on the Core i7-9700K vs 30 MB (total) on the Xeon E5-4640 v3.

FeatureCore i7-9700KXeon E5-4640 v3
Cores / Threads
8 / 8
12 / 24+50%
Boost Clock
4.9 GHz+88%
2.6 GHz
Base Clock
3.6 GHz+89%
1.9 GHz
L3 Cache
12 MB (total)
30 MB (total)+150%
L2 Cache
256K (per core)
256K (per core)
Process
14 nm-36%
22 nm
Architecture
Coffee Lake-R (2018−2019)
Haswell-EP (2014−2015)
PassMark
14,397+39%
10,372
Geekbench 6 Single
750
Geekbench 6 Multi
7,000
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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-4640 v3 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR4-1866 on the Xeon E5-4640 v3 — the Core i7-9700K supports 42.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-4640 v3 supports up to 768 GB of RAM compared to 128 GB 500% more capacity for professional workloads. Memory channels: 2 (Core i7-9700K) vs 4 (Xeon E5-4640 v3). PCIe lanes: 16 (Core i7-9700K) vs 40 (Xeon E5-4640 v3) — the Xeon E5-4640 v3 offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and C612 (Xeon E5-4640 v3).

FeatureCore i7-9700KXeon E5-4640 v3
Socket
LGA1151
LGA2011
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2666+43%
DDR4-1866
Max RAM Capacity
128 GB
768 GB+500%
RAM Channels
2
4+100%
ECC Support
No
Yes
PCIe Lanes
16
40+150%
🔧

Advanced Features

Virtualization support: VT-x, VT-d (Core i7-9700K) vs Yes (Xeon E5-4640 v3). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon E5-4640 v3 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

FeatureCore i7-9700KXeon E5-4640 v3
Integrated GPU
Yes
No
IGPU Model
UHD Graphics 630
Unlocked
Yes
AVX-512
No
No
Virtualization
VT-x, VT-d
Yes
Target Use
Desktop
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Value Analysis

At launch, the Core i7-9700K was priced at $385, while the Xeon E5-4640 v3 came in at $2859. On launch pricing ($385 vs $2859), Core i7-9700K was $2474 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 3.6 pts/$ for the Xeon E5-4640 v3 — making the Core i7-9700K the 164.6% better value option.

FeatureCore i7-9700KXeon E5-4640 v3
MSRP
$385-87%
$2859
Performance per Dollar
37.4+939%
3.6
Release Date
2018
2015

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